In Internet slang, a troll (/ˈtroʊl/, /ˈtrɒl/) is a person who sows discord on the Internet by starting arguments or upsetting people, by posting inflammatory, ...
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In general, to "troll" means to allure, to fish, to entice, or to bait.
In this month's issue of Personality and Individual Differences, a study was
published (link is external) that confirms what we all suspected:
Aug 7, 2015
Jul 1, 2015